Aircraft avionics, namely, navigation systems composed primarily of airspeed sensors, altitude sensors, global positions system (GPS) instruments, speedometers, tachometers, and directional compasses; Avionic sensor systems, namely, aircraft airspeed sensors; Avionic sensor systems, namely, aircraft altitude indicators; Avionic sensor systems, namely, navigation systems; Navigation and communication systems in the field of avionics, namely, electronic wireless receivers for automatic dependen...